Samuel's teacher, in the Bible (3 letters)

Think-tank member (7 letters)

QB Manning (3 letters)

Triple-edged sword (4 letters)

Borodin's operatic prince (4 letters)

Role in a Mel Brooks film (4 letters)

Rousseau classic (5 letters)

Mississippi River bridge (4 letters)

Inventor Whitney (3 letters)

Guinea pig's milieu (3 letters)

Notion (4 letters)

Salle d'armes implement (4 letters)

Swimming gold medalist Park ___-hwan (3 letters)

Early earthling (4 letters)

Cain's victim (4 letters)

Amos of baseball (4 letters)

Condemned inventor? (10 letters)

Shade of blue (4 letters)

Fronton cheer (3 letters)